A282135 - cp's OEIS frontend

A282135 Expansion of (Sum_{k = p*q, p prime, q prime} x^k)^3.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	3
15	0
16	3
17	3
18	4
19	6
20	6
21	3
22	9
23	9
24	12
25	12
26	6
27	10
28	15
29	18
30	16
31	12
32	12
33	21
34	27
35	27
36	21
37	18
38	24
39	30
40	36
41	36
42	25
43	27
44	36
45	49
46	48
47	36
48	36
49	51
50	51
51	54
52	57
53	66
54	63
55	42
56	57
57	75
58	72
59	66
60	51
61	69
62	78
63	79
64	90
65	102
66	73
67	75
68	84
69	117
70	126
71	84
72	75
73	105
74	123
75	121
76	114
77	120
78	124
79	102
80	117
81	156
82	156
83	129

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 0, 3, 3, 4, 6, 6, 3, 9, 9, 12, 12, 6, 10, 15, 18, 16, 12, 12, 21, 27, 27, 21, 18, 24, 30, 36, 36, 25, 27, 36, 49, 48, 36, 36, 51, 51, 54, 57, 66, 63, 42, 57, 75, 72, 66, 51, 69, 78, 79, 90, 102, 73, 75, 84, 117, 126, 84, 75, 105, 123, 121, 114, 120, 124, 102, 117, 156, 156, 129]

cp's OEIS Frontend

A282135 Expansion of (Sum_{k = p*q, p prime, q prime} x^k)^3.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	3
15	0
16	3
17	3
18	4
19	6
20	6
21	3
22	9
23	9
24	12
25	12
26	6
27	10
28	15
29	18
30	16
31	12
32	12
33	21
34	27
35	27
36	21
37	18
38	24
39	30
40	36
41	36
42	25
43	27
44	36
45	49
46	48
47	36
48	36
49	51
50	51
51	54
52	57
53	66
54	63
55	42
56	57
57	75
58	72
59	66
60	51
61	69
62	78
63	79
64	90
65	102
66	73
67	75
68	84
69	117
70	126
71	84
72	75
73	105
74	123
75	121
76	114
77	120
78	124
79	102
80	117
81	156
82	156
83	129

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	3
15	0
16	3
17	3
18	4
19	6
20	6
21	3
22	9
23	9
24	12
25	12
26	6
27	10
28	15
29	18
30	16
31	12
32	12
33	21
34	27
35	27
36	21
37	18
38	24
39	30
40	36
41	36
42	25
43	27
44	36
45	49
46	48
47	36
48	36
49	51
50	51
51	54
52	57
53	66
54	63
55	42
56	57
57	75
58	72
59	66
60	51
61	69
62	78
63	79
64	90
65	102
66	73
67	75
68	84
69	117
70	126
71	84
72	75
73	105
74	123
75	121
76	114
77	120
78	124
79	102
80	117
81	156
82	156
83	129

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	3
15	0
16	3
17	3
18	4
19	6
20	6
21	3
22	9
23	9
24	12
25	12
26	6
27	10
28	15
29	18
30	16
31	12
32	12
33	21
34	27
35	27
36	21
37	18
38	24
39	30
40	36
41	36
42	25
43	27
44	36
45	49
46	48
47	36
48	36
49	51
50	51
51	54
52	57
53	66
54	63
55	42
56	57
57	75
58	72
59	66
60	51
61	69
62	78
63	79
64	90
65	102
66	73
67	75
68	84
69	117
70	126
71	84
72	75
73	105
74	123
75	121
76	114
77	120
78	124
79	102
80	117
81	156
82	156
83	129